sundas
sundas
03-09-2016
Mathematics
contestada
2x/x2-25=10/x2-25 - 4/x+5
Respuesta :
caylus
caylus
03-09-2016
Hello,
x²-25≠0==>x≠5 and x≠-5
[tex] \dfrac{2x}{x^2-25}= \dfrac{10}{x^2-25}- \dfrac{4}{x+5} \\ \dfrac{2x}{x^2-25}= \dfrac{10}{x^2-25}- \dfrac{4(x-5)}{(x+5)(x-5)} \\ 2x=10-4x+20\\ 6x=30\\ x= 5 [/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 85+ )
Otras preguntas
On selling of fan for RS. 810,Sam gains 8%. For how much did he purchase it?
who is a lobbyist in coporations
PLEASE HURRY While studying ecology and biodiversity in Peru, you entered a local scholarship contest. Imagine you won a $500 prize. What would you do with it?
Crane critical lift plans are required for all of the following except
cómo influye el desarrollo tecnológico en la sociedad
A jeweller melts 500 g of silver to pour into a mould. Calculate how much energy was released as the silver solidified.
Carolyn has just retired, and has 400000 dollars in her retirement account. The account will earn interest at an annual rate of 6 percent, compounded monthly. A
The sum of all angles in a rigging triangle ( all triangles) are a total of how many degree?a) 180°b) 135°c) 90°d) 45°
Please answer and show work quickly and correctly.
A bakery used 30% more butter this month than last month. If the bakery used 250 pounds of butter last month, how much did it use this month
